Answer:
Many dietary supplements (and some prescription drugs) come from natural sources, but “natural” does not always mean “safe.” For example, the kava plant is a member of the pepper family but taking kava supplements can cause liver disease.
The characteristic features of the phylum Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a tailgut.
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Answer: False. HIV cannot reproduce on its own.
